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基于弹塑性静力分析方法的一种摇摆式钢筋混凝土框架抗震性能研究

DOI: 10.13197/j.eeev.2015.02.124.lul.014, PP. 124-131

Keywords: 摇摆框架,抗震性能,弹塑性分析,有限元模型,阻尼器

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Abstract:

研究了一种摇摆式钢筋混凝土框架的抗震性能.首先建立了摇摆式钢筋混凝土框架结构的有限元模型并进行了试验验证;其次使用弹塑性静力分析方法评定无控及受控式摇摆钢筋混凝土框架结构的抗震性能;最后对比分析无控及受控摇摆式钢筋混凝土框架结构的抗震性能.结果表明设置阻尼器后的摇摆式钢筋混凝土框架的结构等效阻尼比大幅度提升,结构塑性变形耗能转变成阻尼器屈服耗能,结构位移响应得到了有效控制.

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